Finding the Fourth Proportional to 4,672,287.05, 6,447,757.41 and 2,579,130.77
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Solution
The fourth proportional to 4,672,287.05, 6,447,757.41 and 2,579,130.77 is: 3,559,201.17
Step by Step Solution
- Step 1: Write the proportion equation
4,672,287.05 : 6,447,757.41 = 2,579,130.77 : x - Step 2: Convert to fraction form
4,672,287.05/6,447,757.41 = 2,579,130.77/x - Step 3: Cross multiply
4,672,287.05x = 6,447,757.41 × 2,579,130.77 - Step 4: Simplify right side
4,672,287.05x = 16,629,609,501,387.72 - Step 5: Solve for x
x = 16,629,609,501,387.72/4,672,287.05 - Step 6: Final answer
x = 3,559,201.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.